J Cardiothorac Surg 2020 Jul 22;15(1):179. Epub 2020 Jul 22.
Faculty of Medicine, Department of General Thoracic Surgery, Breast and Endocrinological Surgery, Kagawa University, 1750-1 Ikenobe, Kita-gun, Miki-cho, Kagawa, 761-0793, Japan.
Background: It is difficult to obtain a definitive diagnosis for nodular smooth muscle proliferation (NSMP) before surgery, and a pathological diagnosis is necessary to differentiate it from primary lung cancer. We report two cases of NSMP that were suspected to be primary lung cancer on preoperative images.
Case Presentation: Case 1: An 81-year-old man who had undergone right upper lobectomy for lung cancer 2 years earlier was point out a nodular shadow with ground glass opacity (GGO) in the lower right lobe, suggesting a second primary lung cancer by chest computed tomography (CT). Read More